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iDaq User Manual - Tools for Smart Minds

1. 14 Calibration ierit iet ri 17 Configuring acquisition device 14 16 65 Configuring channels for 42 Used Devices 14 E Edit default connection credentials 33 Edit digital input lines 36 Edit digital output 37 Edit server connection credentials 33 Export data enr iere ter sabes 54 Export image enero 54 Exporting data Add legend iieri esie nti cata renes 55 Color boxes art Ree ino desem 55 F Folders Exported data folder 31 54 Project base folder eerte ees 31 57 Recorded data folder 31 52 Installations 12 P Projects commands Close PFO CCE dee 57 Closing Project ne sens 57 Current naM Epsonin AR inst 13 Edit project eire ctt 56 New 56 Save project nent 57 Set 0 56 Protect your work lock iDa re Anne 58 Protecting pro JeGt oot ertt hog see 58 R Requirements Default client credentials 33 Default server credentials 33 Minimum hardware requirements
2. 22 Data distribution 32 Data view window 41 Device settings window 15 Digital Output Settings window 51 iDaq User Manual Log window Main window Trigger editor window 67 Triggers editor window Virtual channel calibration window Virtual signals tab TOOLS for SMART MINDS 68 User Manual
3. 27 FIGURE 20 DIGITAL INPUT LINES EDITOR i euius o co cao ro eno ro e co it eru o co epo cuo eo en aras Eun 27 FIGURE 21 DIGITAL OUTPUT LINES TAB IN CURRENT SIGNAL TABLE cesser niri nina 28 FIGURE 22 DiGITAL OUTPUT LINES EDITOR CE GER Pa EE mol 28 FIGURE 23 GENERAL TAB IN CURRENT SIGNAL TABLE va Yo aio esi n MEN e cis emesa i 29 FIGURE 24 INITIALIZING SIGNAL TABLE 2 253 29 FIGURE 25 LOG WINDOW EXAMPLE 6 c eio co enn ro eno ta ao cb ana as basa Pia coa KE Eas Rasa 30 FIGURE 26 PROJECTS SETTINGS WINDOW eee eene nnne nnn niri niri ni rini rini si si sisi si sa si si si sa si sa si anna 31 61 FIGURE 27 DATA DISTRIBUTION FUNCTIONING DIAGRAM sseccccccecssescececccescessececececesueseececeseceuuensececessaeegeneeeeeeeeauenes 32 FIGURE 28 DATA DISTRIBUTION OPTION WINDOW eee nnn nnn rrr ri riri ri si sisi sisi si 32 FIGURE 29 CONNECTION PARAMETERS EDITOR 5 sexu 5o ro 33 FIGURE 30 REMOTE SOURCE CONNECTED SIGNAL IN CHART WINDOW CLIENT SIDE cessere 34 FIGURE 31 REMOTE CONNECTION ONGOING SIGNAL IN MAIN WINDOW SERVER SIDE eene 34 FIG
4. Calibrate Change type This table allows you to real time analyse at a glance the values of every channel your acquisition device has got and compare them in a very rapid way If you double click on one of these channels this opens a little Channel editor window in which you can rename your channel define a range giving a minimum and maximum value and give a unit of measurement You can also calibrate your channel by clicking on the Calibrate button SIGNALS CALIBRATION gives you the possibility of converting the input Volts of the acquisition device into polynomial physical quantities up to quarter polynomials You can insert polynomial coefficients or define by yourself points that calculate the coefficients approximation Through the indication of those reference points can find the appropriate function for representing your signals in order to calculate coefficients iDaq uses the Ordinary Least Squares method OLS d Blibrate analog input signal Table with measure temperatura gt and nominal points X Volt Y Volt 0 000 0 000 1 Column measuring ry T the actual voltage Actual voltage Volt 0 000 Signal value 0 000 Add measured point Measured point settlement Nominal voltage Volt Nominal signal value Add nominal point 3 Nominal point settlement Change polynome s order Y 1 000000 X 1 0 000000 X 0 5 Export calibration Export calibration coeff
5. 11 Minimum software requirements 11 5 Setver address iecit derent des 33 Server port 33 Signal filtering eere 40 Baridstop filter reto 40 Highpass filter een ER 40 LOWPASS filter creo 40 T Triggers TWIG SOS PE E 45 48 49 50 Triggers functionalities Start by user default trigger 46 Arm all the triggers together 52 Arm triggers 45 52 53 AUTO GRIN Gs cederet 47 50 TOOLS for SMART MINDS 66 Disarm all the triggers together 52 Evalutating triggers 53 LOg tT IBBOES 52 Start rm munie 52 S OPDVIUSEF 52 Ni es 52 56 Triggers types Analog value in out of range 48 Crossing a selected analog value 47 Digital 50 Elapsed time 50 Selected time iie ettet 49 Start triggets mutants 46 Stop tlg Bers fesses HR 46 Ww Windows of iDaq Acquisition channel window 39 Analog input signals table 16 Calibrate angular position counter window 20 Calibrate frequency measure window 23 Calibrate linear position window 19 Calibrate pulse counter window
6. Both these functionalities allow to disarm all the triggers EXCEPT the default triggers Start stop by user SETTING TRIGGERS Triggers defined into a chart can be armed unarmed Armed trigger are evaluated when data are acquired unarmed triggers are not evaluated All triggers regardless the fact they are defined to start or stop recording session share some general properties you set from Recording gt Triggers gt Settings The figure below shows general triggers settings Triggers Editor Start Triggers Stop Triggers General settings Reset recording count at start up Pre Start recording Time sec Log trigger s activations Post Stop recording Time sec Evaluate all enabled triggers Arm triggers at start up Mi Return OK Esc Cancel FIGURE 54 SETTING TRIGGERS WINDOW e Reset recording count at start up Resets the recording count field to zero every time you open the project e triggers activation When you check the Log triggers activation box creates a file in a folder every time a trigger starts The Log trigger file is created in the Recorded Data folder and shows the date in which the trigger was started and stopped Be careful if you start another trigger while the first trigger is still running the second trigger won t be saved e Evaluate all enabled triggers When you check the Evaluate all enabled triggers checkbox iDaq if the Log tri
7. 2 Unit of measure field Select here the unit of measurement you prefer between either Hertz Ticks or a measure from Custom scale 3 Edge field it indicates the kind of edge the pulse counter must have between rising and falling edge Calibrate frequency measure Position 1 10 Unit of measure Edge Esc Cancel FIGURE 16 CALIBRATE FREQUENCY MEASURE CHANNELS WINDOW Once you have set the signal calibration in the way you prefer press the OK button to apply the changes you ve done or Esc to delete them all 23 VIRTUAL SIGNALS TABLE Click on the Virtual signals tab allows you to supervise your virtual channels you can create them by clicking on the Add button Current signal table file C iDaq deviceCFG USB 6361 22519408 sitab File Analog input signals Counter input signals i igital i i Digital output lines General Description Units Actual value source channels Channel editor Description MyVirtualChannel Min 0 10 Units Esc Cancel FIGURE 17 ADDING A VIRTUAL SIGNAL Once you have typed in a Signal description a reference range value and a unit of measurement press the OK button it automatically opens the Virtual channel calibration window you can see in the next image Virtual channel calibration Description MyVirtualSignal Units volt Formula a0 1 a2 a3 Analog inputs table Counter inputs table Var name Channel description Var name
8. NEW PROJECT 25 55 eene 56 FIGURE 58 SETTING PASSWORD FORA PROJECT onn pego d en HE eR Poe einen pet ge ue eot Re pene eR Rede 56 FIG RES9 LOCKIDAQ WINDOW dues Pee deci dn deae 58 63 TOOLS for SMART MINDS 64 User Manual INDEX A Advising signs Green Acquisition mode ON square 13 Green Storing square 44 Grey Adquisition mode DISABLED square 13 Light blue Hold 41 43 Light blue Locking square 58 Orange Recording lt 44 Red Adquisition mode OFF square 13 Red No storing 44 Red Read only Square 57 Violet Autoscale Square 41 43 White Remote connection established sign 34 White Remote source connected sign 34 Yellow Zero offset square 41 C Calibration Angular channels calibration 20 Formula field for virtual channes 25 Frequency calibration 23 Linear position channels calibration 19 Pulses counter calibration 22 Configuration Available Devices table
9. by user which can be activated by clicking Recording Stop or simply pressing Ctrl O This kind of trigger is always armed and you can neither delete it from the list nor edit it The following image represents the interface of both the Start and Stop Triggers edit window since for user ease s sake uses a similar layout for both Triggers Editor Start Triggers StopTriggers General settings Description Status Trigger type Digital output Type Add S d by use Armed Trigg 99 ocket T Remove Digital output Return OK Esc Cancel FIGURE 45 STOP TRIGGER EDIT WINDOW TOOLS for SMART MINDS 46 iDaq User Manual TRIGGER TYPES supports the following trigger types CROSSING A SELECTED ANALOG VALUE This trigger lets the recording session start when the signal of a channel crosses a selected analog value The following figure illustrates the trigger editor with its parameters Analog Value Crossing Trigger Editor ES Description Armed Direction either Auto arm Channel temperatura Volt Digital output Trigger value Return OK Auto arm value Esc Cancel FIGURE 46 CROSSING ANALOG VALUE START TRIGGER SETTING WINDOW e Description indicates the trigger name e Direction defines the behaviour of the trigger o Minus plus the trigger switches when the signal crosses the trigger value coming from a value lower than Trigger value o Plus minus the trigger switc
10. Export calibration points Import calibration points Import calibration points button points button FiGURE 10 CALIBRATE ANALOG DATA Remove point Voltage Volt 0 000 Value Volt 0 000 The Calibrate Signals window has 1 Column on the left which represents you the actual voltage measured According to it you can enter a corresponding signal value point 2 or 3 and after having added it point 4 you can see it represented in the chart on the right 2 Measured point settlement defined by Y Actual voltage value only volts and X Signal value it can be a voltage temperature pressure 3 Typed point settlement defined by Y Nominal voltage value irrespective of the measured voltage and Nominal signal value This function allows you to add arbitrary points to the calibration function 4 Table with measured and nominal points includes both nominal and measured points needed for calculating the calibration function Note that it is also possible to export and import function coefficients through their dedicated buttons points 5 and 6 in the image above In this way you can easily create a chart representing the ratio of voltage value to signal value 17 COUNTER INPUT SIGNALS allows you to monitor your counter input signals if your device is equipped of them by clicking on the Counter input signals tab represented in the next image Current signal table file C iDag deviceCFG USB 6361 22519408
11. The user has to know how to install and configure National Instruments acquisition devices in order to succeed in using this section e CONFIGURING IDAQ This section describes how to configure an acquisition device and arrange necessary general settings for a correct program working e RUNNING IDAQ This section describes features functions and application cases of iDaq There a few examples of how to use in order to help the user to understand how works A basic knowledge of electrical signal theory is recommended for a correct use of iDaq REQUIREMENTS In this section are listed requirements that users must have in order to install and use iDaq properly It is strongly recommended to check them out before starting installation MINIMUM HARDWARE REQUIREMENTS Ensure that your computer fulfill the following hardware requirements e Dual core CPU quad core CPU is suggested 2GBRAM 4 15 strongly recommended e display resolution 1024x768 or higher e 200 MB free space on disk required by e about 800 MB free space on disk required by National Instruments device drivers e mouse or other pointing device MINIMUM SOFTWARE REQUIREMENTS Ensure that your computer fulfill the following software requirements OS Windows XP SP3 or Win 7 e National Instruments device s drivers rel 9 3 x or higher You can download a free copy of the proper device driver for your acquisition device at www n
12. before this function was activated from the signal itself It can be very useful for example to compensate offset errors occurring in acquiring signals from sensors If Set Zero Offset is enabled a yellow square with ZO Zero Offset written within it appears down in the Data view window e Unset Zero Offset Click on Chart gt Unset Zero Offset or press Ctrl Shift Z Unset Zero Offset disables the Set Zero Offset function The following image graphically shows what happens when you turn on or off the Zero Offset function EF Chart Recording Export Note Tools Set Zero Offset Unset Zero Offset Rec count Dev1 USB 6009 FiGURE 39 SETTING AND UNSETTING ZERO OFFSET FUNCTION 41 XY CHARTS In this paragraph you will learn how to use XY charts This type of chart allows to compare how a signal Y changes according to variations of a signal X Signal X is the agent that produces changes into the system you are monitoring and signal Y reflects these changes in its values For example you can display into an X Y chart how a torque changes into a breaking system when oil pressure is modified in this case oil pressure is the agent that causes measured torque to increase or decrease GETTING STARTED WITH XY CHARTS In order to create a XY chart you have to select Charts XY charts from the drop down menu of the main window The following figure illustrates the New chart window New chart EX Name
13. checkbox By default this field is checked and therefore the trigger is always re armed automatically Once you have set your time triggers click the Return OK button to save your settings or click Esc Cancel button if you want to delete them 49 ELAPSED TIME S This trigger lets the recording session start AFTER a definite time being past Elapsed Time Trigger Editor Description StartRecordingEveryX Seconds Armed switch Time sec 10 Event Count 0 Digital output Return OK Esc Cancel FIGURE 51 ELAPSED TIME START TRIGGER SETTING WINDOW e Description indicates the trigger name e Switch time sec Here define how much time you want to pass before the recording session starting It works like a timer e Auto arm option Allows you to reactivate the trigger also after having stopped it Armed checkbox It is possible to arm disarm the trigger according to whether you check uncheck it This field is checked by default and so the trigger is always armed e Auto arm checkbox It is possible to enable disable the auto arm functionality according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is always re armed automatically DIGITAL LINE CHANGE This trigger switches when selected digital line changes status Digita Line Trigger Editor Description Armed Switch when ON Event Count Auto arm Digital Line Digital i
14. graph2 Data folder C iDaq recordedData graph2_20130523_184539 tdms Store data on disk when recording Save each recording session in a different file enumerate files automatically Edit Data Source Credentials OK Esc Cancel FiGURE 40 CREATING A NEW XY CHART You can look at the Getting started with Strip charts section of this manual if you want know more about this window and its functions After having clicked on OK button two windows are opened the Data view window and the Configuring Acquisition Channels window CONFIGURING ACQUISITION CHANNELS Here you can configure your acquisition channels graph2 ES Channel 1 Volt Channel 1 Volt 100 Hz lt 4 t t t FIGURE 41 CONFIGURING ACQUISITION CHANNELS WINDOW The Configuring acquisition channels window has the following functionalities TOOLS for SMART MINDS 42 iDaq User Manual Select Channel X Here you can select first channel you want view in the Data Chart Acquired data from this channel are displayed in the X axis Select Channel Y Here you can select the second channel you want view in the Data Chart Acquired data from this channel are displayed in the Y axis Select Frequency Here you can select the frequency you want to receive signals Select Color Here you can select a color for the line of the chart DATA VIEW In the Data view window you can see a XY chart which represents t
15. illustrates data coming together with an Actual value indicator which provides you with the just received position value Z index enable check box it gives you the possibility either of receiving your data in a linear data stream from 0 to infinite degrees if Z Index Enable is unchecked or of establishing a Zero index based array which makes the stream to restart from 0 every 2n revolutions if Z Index Enable is checked Pulses per revolution field it indicates digital pulses to complete a revolution Initial angle field is the starting angle of the encoder This value is in the units you specify with the units input Z index value field specifies in units the value to which to reset the measurement when signal Z is high and signal A and signal B are at the states you specify with z index phase Units specifies the units to use to return angular position measurements from the channel Decoding type specifies how to count and interpret the pulses the encoder generates on signal A and signal B X1 X2 and X4 are valid for quadrature encoders only Two Pulse Counting is valid only for two pulse encoders X2 and X4 decoding are more sensitive to smaller changes in O TOOLS for SMART MINDS 20 iDaq User Manual position than X1 encoding with X4 being the most sensitive However more sensitive decoding is more likely to produce erroneous measurements if vibration exists in the encoder or other noise exists in the signals Dec
16. see you can set Voltage range set a limit to Analog input channels and sampling rates and so on In particular take a look at the Acquire digital input lines and Enable digital output lines check boxes checking and configuring them with the Configure button you let iDaq receive both digital inputs and outputs If these fields aren t checked the digital input output status indicators in the main window become grey if checked they become green or red according to digital data arriving or not The next figure represents the Device settings window Device settings 1058 6361 Dev2 S N 22519408 1058 6361 Dev2 S N 22519408 Voltage 5000 5000 v Terminal configuration RSE v Analog input channels 16 Limit Analog input channels Limit analog acquisition to these channels Max sampling rate 5 5 Limit sampling rate User defined sampling rate S sec Enable counter inputs Digital counter inputs Acquire digital input lines Configure 8 digital lines are configured for input Enable digital output lines 8 digital lines are configured for output Sample clock source OnboardClock 52 Analog output channels Edit description OR Esc Cancel FIGURE 7 DEVICE SETTINGS WINDOW Click the OK button to save all your changes or Esc to invalidate them 15 CONFIGURING SIGNALS iDaq gives you the possibility of checking your signals values in a very fast way Click on Configuration Device or simply
17. Channel description 0 Channel 1 0 Position 1 at Channel 2 c1 Position Channel 3 Channel 4 Channel 5 Channel 6 Esc Cancel FIGURE 18 VIRTUAL CHANNEL CALIBRATION WINDOW O TOOLS for SMART MINDS 24 iDaq User Manual The Formula field allows you to specify the relation you want to establish between the different channels as explained in the example above Use the Var names indicated in the Analog input and Counter input tables corresponding to the channels you want to use in the formula SS NOTE The Formula field is case sensitive and therefore the channels you are going to insert within it must have the first character in lower case while parameters and operators must follow the syntax as suggested in the next table The following table represents a list of the operators and functions useful in creating virtual channels Function Description Operator Addition Subtraction Multiplication Division Power Left parenthesis Right parenthesis E Enters E into the formula where E represents the power of 10 exponent abs x Returns the absolute value of x asin x Computes the inverse sine of x in radians asinh x Computes the inverse hyperbolic sine of x atan x Computes the inverse tangent of x in radians atanh x Computes the inverse hyperbolic tangent of x ceil x Rounds x to the next higher integer smallest integer x cos
18. Channels window CONFIGURING ACQUISITION CHANNELS Here you can configure acquisition channels graph2 Channel 16 Volt 0 000 Channel 2 Volt 0 000 Channel 3 Volt FIGURE 37 CONFIGURING ACQUISITION CHANNELS WINDOW The Configuring acquisition channels window has the following elements 1 Analog Channel check box If you check it the selected channel is added to those that are displayed in the chart Selection list You choose the channel you want to analyze from this list Only data from selected channels can be saved in the file related to the chart Chart color You can modify the color of every channel by clicking on the Color selection box Frequency of Data acquisition List The signals of every channel can be acquired with different frequencies iDaq establishes a maximum frequency of acquisition from the device according to the number of acquired channels For example if the maximum frequency given for a device with 8 channels is 6 KHz in the Frequency of Data acquisition List there are the values 0 1 Hz 1 Hz 10 Hz 100 Hz 1 KHz 6 KHz Signal filtering You can give to every channel a filter before displaying data For more information about it look at the Signal filtering chapter Minimum value is the minimum value among the channels values expressed as measurement unit related to that channel The minimum value is updated 10 times per second Maximum value is the maximum value among
19. NSIDE IDAQ DATA PROCESSING PIPELINE cesses eene 45 FIGUREAS STOP TRIGGER EDIT WINDOW ententes an 46 FIGURE 46 CROSSING ANALOG VALUE START TRIGGER SETTING WINDOW enne nnne enne nns 47 FIGURE 47 CROSSING A SELECTED ANALOG VALUE TRIGGER ccccccesssssscesecececseessesecececseeseeseeececsesesaeseeeeeseeseaaeas 47 FIGURE 48 ANALOG VALUE IN OUT OF RANGE TRIGGER 48 FIGURE 49 ANALOG VALUE IN OUT RANGE START TRIGGER SETTING WINDOW eceeeeerene eene ener enne 48 FIGURE 50 SELECTED TIME START TRIGGER SETTING WINDOW enne 49 FIGURE 51 ELAPSED TIME START TRIGGER SETTING WINDOW ennt enti nenas 50 FIGURE 52 DIGITAL LINES START TRIGGER SETTING 50 TOOLS for SMART MINDS 62 iDaq User Manual FIGURE 53 OPENING DIGITAL OUTPUT SETTINGS WINDOW 51 54 SETTING TRIGGERS WINDOW soss 6 2 6 sec 52 EIGUREb5 DATAEXPORTING OPTIONS d eee rona de io A RE En ad conan bain 54 FIGURES G SETTING CSV OPTIONS c c ceci eos rep 55 FIGURE 57 CREATING
20. TS iDaq User Manual May 2013 Edition Worldwide technical support and product information www toolsforsmartminds com TOOLS for SMART MINDS Corporate headquarter Via Padania 16 Castel Mella 25030 Brescia Italy Copyright 2012 TOOLS for SMART MINDS All rights reserved CONTENTS ABOUT THIS MANUAL CONVENTIONS PREFACE ABOUT THIS MANUAL REQUIREMENTS MINIMUM HARDWARE REQUIREMENTS MINIMUM SOFTWARE REQUIREMENTS INSTALLATION GETTING STARTED WITH IDAQ IDAQ MAIN WINDOW CONFIGURATION CONFIGURING ACQUISITION DEVICE CONFIGURING SIGNALS Analog input signals table Signals Calibration Counter input signals Linear position channels Calibration Angular channels Calibration Pulses counter channels Calibration Pulses counter channels Calibration Virtual signals table Digital input lines Digital output lines General LOG WINDOW GENERAL SETTINGS OPTIONS General projects settings Data distribution Factory settings Data distribution advising signals ADD ONs 11 11 11 11 11 12 13 13 14 14 16 16 17 18 19 20 22 23 24 27 28 29 30 31 31 32 33 34 35 MONITORING DIGITAL 1 0 DIGITAL INPUTS MONITOR WINDOW DIGITAL OUTPUTS MONITOR WINDOW CHARTS INTRODUCTION STRIP CHART Getting started with a Strip chart Configuring acquisition channels Signal filtering Data view XY CHARTS Getting started with XY charts Configuring acquisition chann
21. URE 32 INSTALLING ADDONS Rn Pee spen 35 FIGURE 33 OPENING INSTALLED ADD ONS isi ii i is onion io ias da in orando tranche sa sn du eK ados ka pio ihe ba din dns si DR dna ga iod 35 FIGURE 34 DIGITAEINPUT MONIETOR A desta edle eoe edet s a LE 36 FIGURES 5 DIGITAL OUTPUT MONITOR zo tana Xon ote ERES PER KE Ae ERREUR 37 FIGURE 36 CREATING A NEWESTRIPICHART HERES cab ERES Eee o e 38 FIGURE 37 CONFIGURING ACQUISITION CHANNELS nnne nennen nnns entra nnns 39 FIGURE 38 SETTING SIGNAL FILTERS io dasini Pando gap admesa can iadi 40 FIGURE 39 SETTING AND UNSETTING ZERO OFFSET FUNCTION 22 nnn 41 FIGUREA4O0 CREATING NEWRY C PART spars ne rose eaa fuss saws vee SER AS ATAOE ERR EAE ER 42 FIGURE 41 CONFIGURING ACQUISITION CHANNELS WINDOW 1 sesenta nnns 42 FIGUREA2 EXAMPEEQEXY CHART 50 caves ons AS 43 FIGURE 43 TRIGGERS EDITOR WINDOW 5 25 2 ede eire eee eei ade desee ei ed aL da devia 44 FIGURE 44 TRIGGER EVALUATION I
22. a new one FACTORY SETTINGS As it has been introduced in the chapter before there are a few default settings you have to know in order to manage connections at the first time When iDaq is installed for the first time in facts its factory settings are Enable remote connections False Default client credentials e Server address localhost e Server port 9000 e Server password Default server credentials e Server address localhost e Server port 9000 e Server password 33 DATA DISTRIBUTION ADVISING SIGNALS Once you succeeded in opening a remote connection with Server advises you by means of graphic signs so that you are always aware of which source you re connected to When the data you re receiving come from a remote source iDaq equips your opened Chart window with the Remote source signal represented by a white square with an RS Remote Source written within it The next image represents the Chart window when is connected to a remote source a Grafico XY Chart Recording Export Note Tools Rec count cDAQ2Mod4 NI 9234 FIGURE 30 REMOTE SOURCE CONNECTED SIGNAL IN CHART WINDOW CLIENT SIDE On the other hand when the server has one or more clients connected for data sharing on server side appears the Remote Connection signal which is represented by a white square with RC Remote Connection written within it appears on th
23. alid for quadrature encoders only Two Pulse Counting is valid only for two pulse encoders X2 and X4 decoding are more sensitive to smaller changes in position than X1 encoding with X4 being the most sensitive However more sensitive decoding is more likely to produce erroneous measurements if vibration exists in the encoder or other noise exists in the signals Decoding Description Type XI If signal A leads signal B count the rising edges of signal A If signal B leads signal A count the falling edges of signal A x2 Count the rising and falling edges of signal A XA Count the rising and falling edges of signal A and signal B The next image represents the Calibrate linear position window and the points just explained 19 Calibrate linear position counter Position 1 0 000 volt Z Index Enable Z index value 0 000 Z Index Phase A High B High Distance per pulse Initial position Decoding Type X4 Actual value 0 000 FIGURE 13 CALIBRATE LINEAR POSITION COUNTER WINDOW Once you have set the signal calibration in the way you prefer press the OK button to save the changes you ve done or Esc to delete them all ANGULAR CHANNELS CALIBRATION If the channel you are calibrating is an angular one iDaq has elaborated for you the Calibrate angular position counter window In this window you have 1 Graphic representation of angular position value which real time
24. anged iDaq is programmed for automatically saving data when you close it that s why set a password can be very advantageous protect your work from improper uses or keep it safe if you want use it but you re worry about modifying it accidentally When you set a password to your project the next time the project will be opened will open a little window asking for the password ES Project MyData 2 Password Open read only Cancel FIGURE 58 SETTING PASSWORD FOR A PROJECT TOOLS for SMART MINDS 56 iDaq User Manual If you open the project in Read Only mode you can see all saved data of this project but you can t modify them or add more All your modification remain only while the RO project is opened if you close it and try opening it you won t find any change When you open in Read Only mode Red Square with an RO within it appears in the main window in order to remember you that all your records or charts in this session won t be saved If you insert the right password at the project start up you completely unlock the project and all your project modifications can be saved SAVING CURRENT PROJECTS Once you have opened a project and you are working on it you can save your project by clicking on Projects Save If you want save it in a particular folder select Projects Save as Anyway as explained before iDaq saves automatically your work at the end of the working session each time you close the
25. ate files automatically I 4 Edit Data Source Credentials OK Esc Cancel FiGURE 36 CREATING A NEW STRIP CHART 1 Insert a Name for the new chart this is a part of the name of the file in which acquired data are saved 2 Under the Chart Name field you can see the File Path appearing as you are typing the Chart Name in Its function is to make you know where you can find the Chart file you re creating iDaq automatically gives you a default file path but you can change it if you want 3 Optional check boxes Be careful about them If you uncheck the first one all your data in this work session WON T be saved This means that even though you start a recording session the recorded data won t be saved It allows you to see only the number of recording sessions of the project but doesn t keep data saved on your computer If you check the second one all your recording session will be saved in a different file instead of a unique file 4 Edit Data Source Credentials Clicking it enables you to set the parameters of a connection to a remote source i e an engine directly connected to your acquiring board In order to establish the connection you just have to type in the IP address and server port 5 Finally press the OK button and start your working session TOOLS for SMART MINDS 38 iDaq User Manual After having clicked OK button two windows are opened Data view window and Configuring Acquisition
26. data is stored in the clipboard so that you can past them in a document Add legend If you select it a legend is added to the chart presenting you the number of displayed channels and the colour of each one Colour boxes If you select it two colour boxes are added to the chart the first one on the left allows you to select the colour of the chart background the second one allows you to select the chart foreground through them you can select the colour of the chart foreground 55 PROJECTS In this chapter you will learn to use iDaq projects A project is a set of charts including chart s settings their triggers and other properties NEW PROJECT iDaq always needs an open project for working for this reason every time you run iDaq it creates automatically an open project MyData1 used to maintain your charts into a consistent group If you want to create a new project select Projects New Project editor Project title MyData 1 Password Set password Description File Name C iDaq projects MyData 1 20130202 105110 prj Esc Cancel FIGURE 57 CREATING A NEW PROJECT Here you can define your Project title and write a little description of your project purposes The same window is opened when you select the Edit option Projects gt Edit if you want to change your project settings PROTECTING PROJECTS When you create a new project or you edit it you can set a password in order to keep it unch
27. device such configuration changes Click on Configuration Open Log window from menu or press F6 to open log window Log window Eg Event description Source Acquisition task associated tc is startec Data acquisition Data acquisition has been sto c e following reason unspecified Data acquisition 5 terminated Data acquisition Data acquisition Data acquisition table for Data acquisition nfiguration has b Data acquisition on tas t is startec Data acquisition Data acquisition Data acquisition nection with 1 6 hes been clo System n task associate is terminated Data acquisition following reaso v as ted the followinc Data acquisition Data acquisition Signal table for dev Data acquisition configuration has been edited Data acquisition at startup Acquisition task is started FIGURE 25 LOG WINDOW EXAMPLE Click on Configuration Close Log window from menu or press F7 or use Log window close button in its upper right corner to close Log window TOOLS for SMART MINDS 30 iDaq User Manual GENERAL SETTINGS OPTIONS Options window allows you to manage your data in an easy and fast way A careful choice of general settings can make your task very easy to manage Select Configuration Options or simply press F8 GENERAL PROJECTS SETTINGS This tab groups settings that affect the way projects are managed by iDaq Projects Data distribution ADD ONs Other settings Option
28. e ERE no URN de FRA aae ERE ute RN dE rod KE ui cR Mua ne 16 FIGURE 10 CALIBRATE ANALOQG 5 c exco s co oio ro ero seo ena co re 17 FIGURE 11 COUNTERINPUT SIGNALS TABins sssnsisesnsasavasnentivsantnsavedecnssesntesdvedncndsvsandncasedacnasseasencinedacncsseasdncavedsensdenes 18 FIGURE 12 SENSOR TYPE SELECTION WINDOW 152 ra rk ossessi ER PM ERES ER RA DER 18 FIGURE 13 CALIBRATE LINEAR POSITION COUNTER 1 1111 nnn nnn rr riri 20 FIGURE 14 CALIBRATE ANGULAR POSITION COUNTER WINDOW nnne ennt nn asas e enti ranas 21 FIGURE 15 CALIBRATE PULSE COUNTER CALIBRATION WINDOW nennen enne 22 FIGURE 16 CALIBRATE FREQUENCY MEASURE CHANNELS WINDOW eee enn nnn rrr rrr innen 23 FIGURE 17 ADDING A VIRTUAL SIGNAL 5052585 sre Fei E Phe i Foo Ya AS v FEDERER TER a EFE Rae 24 FIGURE 18 VIRTUAL CHANNEL CALIBRATION WINDOW s e ire ioo e rh En e su ER eR E E aS 24 FIGURE 19 DIGITAL INPUT LINES TAB IN CURRENT SIGNAL TABLE 31
29. e Esc Cancel FIGURE 5 DEVICE SELECTION WINDOW The device selection window as you can see provides you with two tables the Available Devices table and the Used Devices table which shows you the list of devices you re actually using and with which you can interact If you have several acquisition devices connected at the same time iDaq allows you to switch from one to another or simply use more than one at the same time according to your needs Choose the devices you want from the Available devices table and transfer them in the Used Devices one only by clicking on the Right arrow button in the middle of the window If you can t find the device you re looking for click on the Refresh list button and it will appear in a few seconds The next image represents how the iDaq main window change according to Used Devices list ion and configuration Used Devices Device Product Type SIN Al Dev2 USB 6361 22519408 16 2 Devi 1 6 1 8 0 2 2 Dev3 1 8 2 2 2 2 iDaq Projects Graphs Digitall O Configuration Protection Help Dev2 Devi Dev3 USB 6361 PCI 6034E PCI 6052E Edit Device Edit Signal table Esc Cancel FIGURE 6 ADDING DEVICES TO THE USED DEVICES LIST O TOOLS for SMART MINDS 14 iDaq User Manual Once the desired device has been put into Used Devices table you can rapidly check a list of settings regarding that in the Device settings window by clicking on the Edit device button As you can
30. e diagram receives arriving data and real time distributes them to the other PCs in order to avoid wasting time and slowing down CPUs and as well taking advantage of simultaneous workspaces where data can be analysed The next image represents the Data distribution window Options Fes Projects Datadistribution ADD ONs Other settings Allow Remote Clients to conect Edit default credentials Edit server credentials Allow Remote Clients to set digital output Log digital output activity Remote connections Allowed configure your plugin to get more details Changes to marked options will take effect the next time you start Esc Cancel FiGuRE 28 DATA DISTRIBUTION OPTION WINDOW TOOLS for SMART MINDS 32 iDaq User Manual At the right side of the window you have been provided with two Connection credentials editors Edit default credential button and Edit server credential button In order to insert all default connection details clicking on the Edit default credentials button it opens a window with fields in which you have to specify Server address Server port and password Options 1 Default server port 9000 2 Default password iDaq Connection para editor Server address 192 168 168 119 Server port 9000 OK Server password Set password Esc Cancel FIGURE 29 CONNECTION PARAMETERS EDITOR Inserting the default password enables you to choose
31. e server iDaq main window as a remember that a connection has been opened with clients The following image shows how the iDaq main window looks when a remote connection has been opened PRogetto1 progetto1 prj Ev ls BEI Projects Graphs Digitall O Configuration Protection Help Dev2 USB 6361 FIGURE 31 REMOTE CONNECTION ONGOING SIGNAL IN MAIN WINDOW SERVER SIDE TOOLS for SMART MINDS 34 iDaq User Manual ADD ONS iDaq enables you also to install useful ADD ONs third party additional components that provide functional utilities to support the default iDaq tools The possibility of introducing new tools and increasing potentialities in such an easy way makes it a flexible and customizable solution has been developed in order to enable users to manage it autonomously and to supplement it in the way they need with this purpose it allows to install any LabVIEW developed plug in Installing it is very easy you only have to put your ADD ONs in the folder indicated in the ADD ON folder field You can change it by modifying and typing the folder path you prefer in then click on the OK button the changes you ve done will be effective only after the next iDaq restart After having placed your ADD ONs click on the Install button it opens the ADD ON folder you ve selected and makes you choose the files you want to add to iDaq At the end of this process you see the ADD ONs appearing in the Ins
32. els Data view RECORDING TRIGGERS How triggers work Armed triggers TRIGGER GROUPS TRIGGER TYPES Crossing a selected analog value Analog value in out of range Selected time s Elapsed time s Digital line change Digital outputs Arm Disarm triggers Setting triggers EXPORTING DATA PROJECTS NEW PROJECT 36 36 37 38 38 38 38 39 40 41 42 42 42 43 44 44 45 45 46 47 47 47 48 50 50 51 52 52 54 56 56 PROTECTING PROJECTS SAVING CURRENT PROJECTS CLOSING CURRENT PROJECTS PROTECTION LOCKING IDAQ APPENDX A ADVISING SIGNALS LEGEND Main Idaq Window Simple chart window and X Y chart window FIGURE INDEX INDEX 56 SZ 57 58 58 60 60 60 61 65 ABOUT THIS MANUAL CONVENTIONS The following conventions appear in this manual Bold italic monospace The gt symbol leads you through nested menu items and dialog box options to a final action The sequence Tools Pb Options directs you to pull down the Tools menu select Options item Bold text denotes items that you must select or click on the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or c
33. eral settings Description Status Trigger type Digital output Type Started by user Armed Trigg eric Locked Remove Digital output Return OK Esc Cancel FIGURE 43 TRIGGERS EDITOR WINDOW In order to provide you with the clearest explanation about triggers this chapter has been divided into two chapters about general working and essential information about triggers evaluation one chapter TOOLS for SMART MINDS 44 iDaq User Manual showing two main groups triggers are contained into and finally into a chapter with a deep practical analysis of all trigger types and functionalities HOW TRIGGERS WORK Triggers are managed as a set of rules that evaluates at run time for every acquired sample evaluation process is done into the pipeline after that data have been filtered and sub sampled so that events taking place into high frequency unprocessed data streams can t actually be detected if filters and sub sampling are active Triggers are evaluated on all of the acquisition channels regardless of whether they are displayed or not i e a trigger event can be switched by a signal even though it hasn t been displayed The following scheme illustrates how iDaq evaluates triggers Data display data filtering data Trigger evaluation LP HP BP sub sampling Data storage FiGURE 44 TRIGGER EVALUATION INSIDE IDAQ DATA PROCESSING PIPELINE In relation to the matter of triggers evalua
34. ggers activation checkbox is selected too considers all enabled triggers and TOOLS for SMART MINDS 52 iDaq User Manual not the first trigger it finds on the top of the triggers list Allows you to record all enabled triggers even if two or more of them start at the same moment Arm triggers at start up When you check the Arm triggers at start up checkbox at the start up re activates the entire Triggers list so that you haven t to enable all triggers by yourself Pre Start recording Time Allows you to start the recording session a certain number of seconds before that the trigger start Post Stop recording Time Allows you to stop the recording session a certain number of seconds after that the trigger event has started 53 EXPORTING DATA In this chapter you will learn how you can export data you re interested about during a work session First of all you have to hold Chart Hold the graph so that can register which data you want to export Now look at the Export drop down menu you have several services about data export e Export image to file If you select it a copy of the stopped chart is saved a JPEG format file in the exportedData folder e Export image to clipboard If you select it a copy of the stopped chart is stored in the clipboard so that you can past it in a document This exporting way is less secure than the export image to file here you can t save the image
35. ght blue Hold square Light blue Locking square Yellow Zero Offset square Orange Recording square Red No storing square Red Read only square Violet Autoscale square RC White Remote connection established 5 EJ 8 EJ EJ square White Remote source connected square TOOLS for SMART MINDS 60 iDaq User Manual FIGURE INDEX FIGURE 1 INSTALLING IDAQ 12 FIGURE 2 IDAQINSTAELATION WIZARD WINDOW 6527223065 353 Do MR DER 12 FIGURE IDAQ MAIN WINDOW ACQUISITION MODE nnn nnn nnn rrr rrr riri 13 FIGURE 4 IDAQ MAIN WINDOW ACQUISITION MODE ON eene nnn rrr nnn rin iain 13 FIGURES DEVICE SELECTION WINDOW 255255582566 co en ponen Eia reiner ke ek a Pra Feu kae ed dae ia aav n BR Rev ATE A CE 14 FIGURE 6 ADDING DEVICES TO THE USED DEVICES LIST ssssssessececessssssonsccecessessnessesececsessnaneessesseessscsesecseeeseanenss 14 FIGURE 7 DEVICE SETTINGS WINDOW eere nennen 15 FIGURE 8 HOW TO OPEN THE CURRENT SIGNAL TABLE i2 12322 52 so ER nnn n anb ain bna binis asa 16 FIGURE ANALOG INPUT SIGNALS TAB usce eee rena us en
36. haracters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions and code excerpts monospace italic Italic text in this font denotes text that is a placeholder for a word or value that you must supply 10 PREFACE iDaq is a general purpose data logger capable to acquire store and analyze data coming from National Instruments acquisition devices These devices can be connected to a computer through different types of interfaces USB PC PCI Express Ethernet uses one acquisition device at a time If you have more than one acquisition device connected at the same time to the computer iDaq let you choose the one you want to use to acquire signals In order to get more details refer to Configuring acquisition Device section ABOUT THIS MANUAL This manual has been prepared to help you to remove all your doubts about iDaq using Use it to familiarize yourself with iDaq it contains a lot of examples to teach you step by step all about his features and applications Throughout each example you will find illustrations giving information about the concepts explained in that step It is divided in three parts e INSTALLING This section describes the minimum requirements for installing and using iDaq
37. he signal values of your channels related to the X and Y axis The chart line is made by points in which for example an X point is given by a channel a 2 signal value and an Y point is given by a channel a 1 signal value The following figure illustrates a simple XY chart Chart Recording Export Note Tools Rec count Dev2 USB 6361 FIGURE 42 EXAMPLE OF XY CHART In the data view window you have Autoscale Click on Chart gt Autoscale or press Ctrl A The Autoscale scales automatically the signal while it is going on so that you can see it to the maximum zoom possible but always seeing it in all his parts If the Autoscale is selected a violet square with an A Autoscale within it appears down in the Data view window Hold Click on Chart gt Hold or press Ctrl F The Hold tool allows you to stop the signals acquisition in order to analyse them If the Hold tool is selected a light blue square with an H Hold within it appears down in the Data view window Clear Click on Chart gt Clear to clear the chart from the signals displayed before 43 RECORDING The Recording function allows you to save signals streams on file If you want to start a recording session click Recording gt Start or press Ctrl D If you want stop the recording session click Recording Stop 1 During a recording session indicates in the title bar the name of the file where data are saved 2 orange s
38. hes when the signal crosses the trigger value coming from value greater than Trigger value o Either the trigger switches when the signal crosses the trigger value regardless of the direction of the signal e Channel selects the Analog input channel used to evaluate the trigger e Trigger Value defines the Analog value that makes the trigger start e Auto arm value If the trigger has been stopped you can define an Auto arm value that re enables the Trigger Armed checkbox It is possible to arm disarm the trigger according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is armed automatically e Auto arm checkbox It is possible to enable disable the auto arm functionality according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is always re armed automatically The following figure illustrates the way iDaq evaluates this trigger according to direction value trigger switches trigger switches Direction minus plus Direction plus minus FIGURE 47 CROSSING A SELECTED ANALOG VALUE TRIGGER 47 This trigger switches when the signal moves inside outside of a certain range Range is defined by two values expressed in selected channel s unit of measure The following figure illustrates the behaviour of this trigger according to two different switch rules trigger switches T A trigger switches Signal mo
39. i com INSTALLATION This section guides you step by step through the installation process and introduces you to the first use Before installing you have to install and configure the National Instruments acquisition device Check your acquisition device with the National instruments software Measurement amp Automation you can find in the NI drivers CD ROM After having done it you can start the guided installation is distributed as a ZIP file Extract files into a temporary folder and run installation wizard setup exe bin 13 05 2012 19 06 Cartella di file di license 13 05 2012 19 06 Cartella di file d supportfiles 13 05 2012 19 06 Cartella di file _ nidist id 13 05 2012 17 04 File ID 1KB E setup exe 20 01 2012 11 29 Applicazione 1 382 KB S setup ini 13 05 2012 17 04 Impostazioni di co 12 FIGURE 1 INSTALLING IDAQ After having clicked it this window will appear Destination Directory 4 Select the primary installation directory MM 1 Daq TOOLS FOR SMART MINDS All software will be installed in the following locations To install software into different locations click the Browse button and select another directory Directory for iDaq C ProgramData NiDaq Projects Directory for National Instruments products C Program Files x85 National Instruments FIGURE 2 IDAQ INSTALLATION WIZARD WINDOW Follow the guided procedure till the end of the ins
40. lic tangent of x TOOLS for SMART MINDS 26 iDaq User Manual DIGITAL INPUT LINES Click on the Digital input lines tab to see the corresponding table Current signal table file C iDaq deviceCFG USB 6361 22519408 sitab x File Analog input signals Counter input signals Virtual signals Digital input lines J Digital output lines General Description Physical name Type Digital input line 0 0 DigitalLine Digital input line 1 1 DigitalLine Digital input line 2 Dev2 port0 line2 DigitalLine Digital input line 3 0 Dig Digital input line 4 Digital input line 5 ort0 Dig Digital input line 6 DigitalLine Digital input line 7 orto 7 DigitalLine FIGURE 19 DIGITAL INPUT LINES TAB IN CURRENT SIGNAL TABLE In this table there are three columns e Description column Here you can insert a name for example describing what this channel is used for You can change it to your liking by double clicking on the channel you want and opening a digital line editor where you can type in the name you want for that channel The next image represents the Digital line editor Digital Line Editor Description Digital input line 0 OK FIGURE 20 DIGITAL INPUT LINES EDITOR Physical name field Is the line name as indicated on the NI device e field Indicates digital line type 27 DIGITAL OUTPUT LINES Click on the Digital output li
41. llows you to keep you notes always handy because you find them every time you open iDaq automatically saves all the observations you type the Description field Current signal table file C iDaq deviceCFG USB 6361 22519408 sitab File Analog input signals Counter input signals Virtual signals Digital input lines Digital output lines A General Description Initialize FIGURE 23 GENERAL TAB IN CURRENT SIGNAL TABLE On the right side down in this window you can find the Initialize button Clicking this button means that you ask to reset all the settings you have changed to the original factory ones For security s sake iDaq asks once more if you are sure to proceed in initializing the signal table as the following image shows iDaq Message Do you want to initialize signal table to factory settings Initializing signal table discards all settings you have made Do you want to proceed anyway Enter OK Esc Cancel FIGURE 24 INITIALIZING SIGNAL TABLE Click OK button if you are sure to reset otherwise click Esc button 29 LOG WINDOW The Log window gives you a chronology of all the events keeps track since has been started Log window shows events grouped in different sources e System events related to main functionality e Project events related to user action on projects such open edit and close e Data acquisition events related to acquisition
42. nes tab to see the corresponding table Current signal table file C iDaq deviceCFG USB 6361 22519408 sitab Analog input signals Counter input signals Virtual signals Digital input lines Digital output General Description Physical name Type Digital output line 0 0 DigitalLine output line 1 yrt1 line DigitalLine output line 2 2 DigitalLine ital output line 3 Jutput line E put line ort1 l gitalLine Digita put line DigitalLine Dig output line ort1 line7 DigitalLine FIGURE 21 DIGITAL OUTPUT LINES TAB IN CURRENT SIGNAL TABLE In this table there are three columns e Description column Here you can insert a name for example describing what this channel is used for You can change it to your liking by double clicking on the channel you want and opening a digital line editor where you can type in the name you want for that channel The next image represents the Digital line editor Digital Line Editor Description Digital output line 0 OK Esc Cancel FIGURE 22 DIGITAL OUTPUT LINES EDITOR Physical name field Is the line name as indicated on the NI device e Type field Indicates digital line type TOOLS for SMART MINDS 28 iDaq User Manual GENERAL The last tab in the Current signal table gives you an helpful field where you can type in a description of your project take notes of fundamental aspects of your work The general description field a
43. nput line 0 Digital output Return OK Esc Cancel FIGURE 52 DIGITAL LINES START TRIGGER SETTING WINDOW e Description indicates the trigger name e Switch when ON If ON trigger switches the digital line changes from Off to On otherwise switches when the digital line changes from On to Off e Digital line indicates the selected digital line associated to trigger e Armed checkbox It is possible to arm disarm the trigger according to whether you check uncheck it This field is checked by default and so the trigger is always armed TOOLS for SMART MINDS 50 iDaq User Manual e Auto arm checkbox It is possible to enable disable the auto arm functionality according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is always re armed automatically DIGITAL OUTPUTS iDaq allows you to link one or more output lines of the board you re using to any trigger event For example it is possible to enable a certain output line thanks to a start trigger and in the same way to disable it with a stop trigger This kind of functionality can be used for instance either to start or send a command to an external device In order to link one or more digital outputs lines to a trigger event open the Triggers editor window Recording gt Config Triggers and select the Digital Output button on the right Clicking it opens the Digital Output Settings window which contains a list
44. oding Description Type X1 If signal A leads signal B count the rising edges of signal A If signal B leads signal A count the falling edges of signal A 2 Count the rising and falling edges of signal A XA Count the rising and falling edges of signal A and signal B 8 Zindex phase specifies the states at which signal A and signal B must be while signal Z is high for NI DAQmx to reset the measurement If signal Z is never high while signal A and signal B are high for example you must choose a phase other than A High B High When signal Z transitions to high and how long it stays high varies from encoder to encoder Refer to the documentation for the encoder to determine the timing of signal Z with respect to signal A and signal B Calibrate angular position counter Position 1 0 000 volt Actual value Z Index Enable Pulses per revolution Initial angle degree 2 Index value degree Units Degrees Decoding Type X4 Z Index Phase A High B OK Esc Cancel FIGURE 14 CALIBRATE ANGULAR POSITION COUNTER WINDOW Once you have set the signal calibration in the way you prefer press the OK button to apply the changes you ve done or Esc to delete them all 21 PULSES COUNTER CHANNELS CALIBRATION If the channel you are calibrating is a pulse counter one iDaq provides you with the Calibrate pulse counter window In this window you have 1 Real time voltage values column on the left which repre
45. oesn t save the charts you ve closed in your working session iDaq saves only charts that you keep open in the project Show edit window before saving If you check this option every time you are closing a project opens the Edit Window Save projects when closing If you check this option iDaq saves automatically your projects when you close your projects Open selected project at startup If you check this option every time iDaq starts it opens automatically the project you ve chosen here Once you ve marked this checkbox project at startup is enabled in which you have to select a project 31 DATA DISTRIBUTION In this tag are grouped all of the details regarding data distribution and PC connection with other clients gives you the possibility of sharing and distribute data in the easiest way only by clicking the Allow Remote Clients to connect checkbox By means of cloud computing sharing this feature allows several users to work on the same data simultaneously from different workspaces using your PC as a data dispenser the following diagram explains data distribution functioning 2 Computer 1 PC3 Data d Allow Remote Clients to connect PC 4 FIGURE 27 DATA DISTRIBUTION FUNCTIONING DIAGRAM This can particularly be useful in case PC 2 PC 3 or PC 4 are a little underpowered computers not able to support thousands of data coming directly by the NI device iDaq has solved similar problems Computer 1 in th
46. of all the digital outputs associated to that specific trigger event the following image represents the path to reach it and the interface of this window Triggers Editor Start Triggers StopTriggers General settings Description Status Trigger type Digital output Add Armed Trigg me lecte Armed Remove Digital output Return OK Esc Cancel Digital Output Settings Digital Output Settings Digital lines Digital line Add Remove Digital line Digital output line 0 OK value Return OK Esc Cancel Cancel FiGURE 53 OPENING DIGITAL OUTPUT SETTINGS WINDOW As suggested by the image above you can add new digital outputs by clicking the ADD button The window just opened provides you with the following fields e Digital line allows you to select the output line e Value After that the trigger has been switched according to having checked unchecked this field it affects the digital outputs in the following ways o CHECKED The output line will have a high logic level TRUE o UNCHECKED The output line will have a low logic level FALSE 51 ARM DISARM TRIGGERS allows you both to arm and disarm all of the triggers events even without having to arm disarm them one by one singularly In order to arm all of the triggers at the same time click Recording gt Triggers Arm Triggers while if you want to disarm all of them click on Recording gt Triggers Disarm Triggers
47. outside that range For example if you set the Lower cut off frequency on 5 Hz and the Higher cut off frequency on 40 Hz the filter passes signals with 5 Hz Frequency 40 Hz e Bandstop filter This filter passes signals with a frequency outside a certain range For example if you set the Lower cut off frequency on 5 Hz and the Higher cut off frequency on 40 Hz the filter rejects signals with 5 Hz Frequency 40 Hz TOOLS for SMART MINDS 40 iDaq User Manual DATA VIEW In the Data view window you can see the progressive going on of acquired signals allows you to handle the chart in different ways with different tools e Autoscale Click on Chart gt Autoscale or press Ctrl A The Autoscale scales automatically the signal while it is going on so that you can see it to the maximum zoom possible but always seeing it in all his parts If the Autoscale is selected a violet square with an A Autoscale within it appears down in the Data view window e Hold Click on Chart gt Hold or press Ctrl F The Hold tool allows you to stop the signals acquisition in order to analyse them If the Hold tool is selected a light blue square with an H Hold within it appears down in the Data view window e Clear Click on Chart gt Clear to clear the chart from the signals displayed before e Set Zero Offset Click on Chart gt Set Zero Offset or press Ctrl Z Set Zero Offset allows to subtract the signal value the last one recorded
48. press F4 to open the Device Configuration window Here there is the Edit Signal table button as the next figure shows which opens the Current signal window Device selection and configuration Available Devices Used Devices Device Product Type Bus Slot Al AO DO Device Product Type SIN Dev2 USB 6361 22519408 Refresh list Edit Device Edit Signal table FIGURE 8 HOW TO OPEN THE CURRENT SIGNAL TABLE Al AO DI 16 2 22 24 4 Esc Cancel This window gives you several tables showing different types of signals provided with their description and values you will be introduced to them in detail in the next six sub chapters ANALOG INPUT SIGNALS TABLE By default the Current signal window first opens the Analog input signals table Current signal table file C iDaq deviceCFG USB 6361 22519408 sitab File Analog input signals Counter input signals Virtual signals Digital input lines Digital output lines General Description Actual value temperatura 0 001 Channel 2 Channel 3 Channel 4 Channel Channel 5 Channel Channel 6 9 9 Channel Channel 7 V 0 eChannel Channel 8 0 Channel Channel 9 0 0 07 geChannel Channel 10 0 02 annel Channel 11 0 Channel Channel 12 V V geChannel Channel 13 0 0 Channel Channel 14 V 0 0 00 Channel 15 annel Channel 16 Vo 0 0 02 VoltageChannel FIGURE 9 ANALOG INPUT SIGNALS TAB TOOLS for SMART MINDS 16 iDaq User Manual
49. project CLOSING CURRENT PROJECTS If you want to close a current project you have to select Projects Close closes your work session saving all your work in the Project folder 57 PROTECTION In addition to the possibility of setting a password to open a project iDaq allows you to protect your work always even during the working session iDaq keeps safe your work while you can t stay next to your computer taking care that nothing disturbs the signal acquisition LOCKING IDAQ If you want lock select Protection gt Lock from the main window The following image represents the lock window Lock iDaq Enter password Enter password again to verify Cancel FIGURE 59 Lock WINDOW Enter a password and re write it to be sure you ve written it right and press the Lock button Once you ve entered the password a light blue square with an L into may appear in the main window and in the chart window This means that one can modify in no way your work until iDaq is locked TOOLS for SMART MINDS 58 iDaq User Manual 59 APPENDX A ADVISING SIGNALS LEGEND The following indicators are used in different iDaq windows The following tables summarize signal meanings MAIN IDAQ WINDOW m Green Acquisition mode ON square Red Acquisition mode OFF square Ld Grey Acquisition mode DISABLED square SIMPLE CHART WINDOW AND X Y CHART WINDOW Green Storing square Li
50. puter clock reaches selected starting time s You can specify a list of times at which the trigger has to switch Switch times are set with the standard Windows calendar but only time value is actually considered to decide if the trigger has to switch Date values are always discarded As the following image shows clicking on the ADD button opens the Switch Time editor which enables you to select the time in which you want the recording session start Time Trigger Editor Description StartRecordingAtSelectedTime Armed Event Count Auto arm Switch time Time A Switch Time editor Remove Digital output Switch Time 82 00 00 Return OK Return OK Esc Cancel Esc Cancel FIGURE 50 SELECTED TIME START TRIGGER SETTING WINDOW This trigger is therefore described by the following fields e Description Indicates the trigger name e Switch time Provides you with a resuming list of all the Switched times set in the Switch Time editor Clicking ADD button you can add more Switch time settings while clicking Remove button allows you to delete a selected one if it is no more necessary e Armed checkbox It is possible to arm disarm the trigger according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is armed automatically e Auto arm checkbox It is possible to enable disable the auto arm functionality according to whether you check uncheck this
51. quare with a white Recording within it suggests you that the recording session is still in progress Be careful about the green square with a white S Storing within it on the right if instead of it there is a red square with a crossed S within it your data won t be saved even though you start a recording session The absence of the S Saving square can be caused by the missed selection of the Save data check box look at the chapter Getting started with Strip Charts If you want to set this Save option select Recording File settings and check the Store data on disk when recording option 3 Therecording counter counts one finished record every time you stop a started session You can set your recording sessions through triggers TRIGGERS Triggers are user defined rules that iDaq uses to start and stop recording sessions programmatically Triggers can be defined as conditions on acquired signals or timestamps for example a trigger could switch on when a signal moves out a specific range of values and another trigger could switch when a selected time is reached Every chart has its own set of triggers and triggers of a chart can t affect the behaviour of another one Click Recording gt Config Triggers or press Ctrl T to open the Trigger editor window where you easily handle your triggers The next image represents the Trigger editor window s interface Triggers Editor ES Start Triggers Stop Triggers Gen
52. s ES Project base folder C iDaq projects Automatically add datetime to project filenames Remove tasks closed by user Show edit window before saving Save projects when closing Open selected project at startup Project at startup C iDaq projects progetto1 prj Show connection parameters in edit window Save projects in separated folders M Recorded data folder C iDaq recordedData Exported data folder gt C iDaq exportedData Changes to marked options will take effect the next time you start iDaq Esc Cancel FIGURE 26 PROJECTS SETTINGS WINDOW Select folder fields When you install on your computer it creates by default some folders where your data are saved In this window you can see three special fields as Project base folder Recorded data folder and Exported data folder showing you the default path you have to follow to find your data If you think it would be handier you can choose to create a folder every time you begin a project by checking the Save projects in separated folders field If you think instead it would be more comfortable for you having data in other folders you can change the folder paths as you like Remember to select OK button to save your settings and restart or cancel if you don t want save them Automatically add datetime to project filenames Appends the date in which the file has been created to the project name Remove tasks closed by user If you check this option d
53. s field is a useful reminder of how many recording sessions are being in progress in the actual project 3 IP Address indicator If you place the mouse pointer over it this field reports current IP Address and machine name 4 Taskcount The task count represents the amount of charts you ve used during this project The following figure represents the iDaq main window when a device has been configured and the acquisition indicator have switched to the ON mode iDaq PRogetto1 progetto1 prj Ee Projects Graphs Digitall O Configuration Protection Help Dev2 USB 6361 FIGURE 4 IDAQ MAIN WINDOW ACQUISITION MODE ON CONFIGURATION This section explains about all the items you can find in the Configuration drop down menu Check the Configuration list before starting your work in this way you can take advantage of all the services iDaq offers you without problems CONFIGURING ACQUISITION DEVICE First of all ensure that your acquisition device is correctly configured Starting from the main window click on Configuration Device or simply press F4 If you have already connected your acquisition device to the computer the Device selection window will appear like this Device selection and configuration Available Devices Used Devices Device Product Type Bus Slot Al AO DI DO Device Product Type SIN Al AO DI DO CI Dev2 USB 6361 USB 16 2 24 24 4 Refresh list Edit Device Edit Signal tabl
54. sents you the actual value in volts measured as it changes time by time Other than this graphic representation of the data stream in the column you have an Actual voltage indicator on the right showing the just registered value in numbers Initial count field it indicates the value you want to use as pulse count starter 3 Count direction field it indicates the direction you want to establish for your pulse count Edge field it indicates the kind of edge the pulse counter must have between rising and falling edge Calibrate pulse counter Position 1 10 Initial count Count direction Count Up Edge Rising Actual voltage Volt 0 000 Esc Cancel FIGURE 15 CALIBRATE PULSE COUNTER CALIBRATION WINDOW Once you have set the signal calibration in the way you prefer press the OK button to apply the changes you ve done or Esc to delete them all TOOLS for SMART MINDS 22 iDaq User Manual PULSES COUNTER CHANNELS CALIBRATION If the channel you are calibrating is a frequency measuring one iDaq has elaborated for you the Calibrate frequency measure window In this window you have 1 Real time frequency values column on the left which represents you the actual value of the frequency measured as it changes time by time Other than this graphic representation of the data stream in the column you have an Actual frequency indicator on the right of the column showing the just registered value in numbers
55. sitab File Analog input signals Counter input signals Virtual signals Digital input lines Digital output lines General Units Actual value Voltage volt Type Calibrate Position 1 mm LinearP Change type Po 2 mm 0 000 LinearP LinearPositio LinearP Channel editor Description Position 1 Min 10 Units mm Esc Cancel FIGURE 11 COUNTER INPUT SIGNALS TAB Double clicking on signals allows you to open the Channel editor window as said before where you can define a name a range of values and a unit of measurement At the right side of the window you have two buttons e The Change type button which allows you to open the Sensor type selection window and choose the Sensor type you do prefer Sensor type selection SensorType Linear position OK FiGURE 12 SENSOR TYPE SELECTION WINDOW Once you have selected the sensor type you can see it in the Type column e The Calibrate button allows you to calibrate your counter input signals Calibration modalities change according to the Signal type the next free subchapters describe how to calibrate different types of signals and show the several tools iDaq gives you to do it in the best way TOOLS for SMART MINDS 18 iDaq User Manual LINEAR POSITION CHANNELS CALIBRATION iDaq gives you the possibility of calibrating the linear inputs measured in mm of the acquisition device thanks to the following tools 1 Real time values column on
56. t is suggested if your computer has a low computational power 45 TRIGGER GROUPS Regardless of the trigger type triggers are divided into two groups according to their purpose e Start triggers Start triggers start a recording session Selecting Recording gt Triggers Config start triggers gives you a list of all the start triggers you have created in this project It allows you to organise all of them so that none hind the other in facts if a trigger B tries to start while another trigger A is still going on the recording session B can t start until A stops There are several types of Start triggers being based on different reference values Note that by default iDaq provides the Start triggers list with a basic trigger named Trigger start by user which can be activated by clicking Recording Start or simply pressing Ctrl D This kind of trigger is always armed and you can neither delete it from the list nor edit it Stop triggers Stop triggers stop a recording session If you don t set a stop trigger the started recording session won t stop unless you don t stop it clicking on the Recording menu Stop option Selecting Recording gt Triggers gt Config stop triggers gives you all the stop triggers you have created during this project There are several types of triggers you can use in order to stop a recording session Note that by default provides the Stop triggers list with a basic trigger named Trigger stop
57. tallation 12 GETTING STARTED WITH IDAQ To run use its link created on desktop or from Windows Start menu Start gt All programs TOOLS for SMART MINDS gt At the first time iDaq may take a little longer time to open its main window that s because it s creating default folders in order to store log files IDAQ MAIN WINDOW The following image represents the iDaq main window as it is when there s no device connected iDaq PRogetto1 1 EE Projects Graphs Digitall O Configuration Protection Help EB gt Lo o1 Lo FiGURE 3 IDAQ MAIN WINDOW ACQUISITION MODE OFF Let s explain about the objects you can find in it starting from the left to the right 1 Device name amp Product type The eight fields indicated in the image before with 1 1 1 1 2 and so on show a list of all the connected devices their names and their status In facts once a device has been connected and configured five indicators give you information about Analog Input Output Digital Input Output and Counter input status according to their color either green if they are ON if they are not activated in the device settings or red if they are OFF as you can see in the representation of the main window at the bottom of this page Take a look at the Configuring acquisition devices section to get more informations about devices status 2 Recording sessions counter Thi
58. talled ADD ONs table as the following image shows Options Projects Data distribution ADD ONS Other settings ADD ON folder CiiDaqladdons installed ADD ONs Name Release Company Author Folder Install Easy Datalogger 1 1 0 5 TOOLS for SMAR 45 C iDaq addons Easy Datalogger FFT 0 4 2 O RT MIND T4SM C iDag addons FFT Remove Search online Changes to marked options will take effect the next time you start Esc Cancel FIGURE 32 INSTALLING ADD ONs Once installed you can open the ADD ON simply by clicking in the iDaq main window menu on Graphs Name of the installed ADD ON iDag Project project1 prj c ES Projects Digitall O Configuration Protection Help Strip chart Ctri 1 XY chart 2 Easy Datalogger FIGURE 33 OPENING INSTALLED ADD ONS 35 MONITORING DIGITAL I O In this chapter are explained the instruments gives you to monitor Digital Input and Output lines in a few clicks DIGITAL INPUTS MONITOR WINDOW provides you with a useful Digital input lines monitoring window click Digital I O Digital input in the main window menu in order to open it In the just opened window you can see a table listing all the digital input lines that iDaq gets by the connected device The window title provides you with the device name the table is referred to This table provides you with three columns e Logical name column it gives you the name of the Digital inp
59. the channels values expressed as measurement unit related to that channel The maximum value is updated 10 times per second Actual value is the value actually arriving from the data source Reset button The reset button allows you to reset the minimum maximum values to zero After every reset iDaq calculates again the minimum maximum values according to new acquired data 39 SIGNAL FILTERING You can activate a filter for every channel you want can set the filters by clicking on the F button in the Configuring acquisition channels window as shown below graph2 Channel 16 Volt Channel 16 Volt Filter setup Enabled Filter type Lowpass Lower cut off frequency Hz 5 Filter order Cancel FIGURE 38 SETTING SIGNAL FILTERS After having been enabled the filter option you can see there are four types of filters e Lowpass filter This filter passes all the signals with a lower frequency than the indicated Lower cut off frequency For example if you set the Lower cut off frequency on 5 Hz the filter passes only signals with frequency 5 Hz e Highpass filter This filter passes all the signals with a higher frequency than the indicated Higher cut off frequency For example if you set the Higher cut off frequency on 40 Hz the filter passes only signals with frequency 40 Hz e Bandpass filter This filter passes signals with a frequency within a certain range and rejects frequencies
60. the left represents you the actual value in mm measured as it changes time by time Other than this graphic representation of the data stream in the column you have an Actual value indicator on the right of the column showing the just registered value in numbers Z index enable check box on the right gives you the possibility either of receiving your dataina linear data stream from 0 to infinite if Z Index Enable is unchecked or of establishing a Zero index based array of which you can define the Zero index value if Z Index Enable is checked Z index phase specifies the states at which signal A and signal B must be while signal Z is high for NI DAQmx to reset the measurement If signal Z is never high while signal A and signal B are high for example you must choose a phase other than A High B High When signal Z transitions to high and how long it stays high varies from encoder to encoder Refer to the documentation for the encoder to determine the timing of signal Z with respect to signal A and signal Distance per pulse is the distance to measure for each pulse the encoder generates on signal A or signal B This value is in the units you specify with the units input Initial position is the position of the encoder when you begin the measurement This value is in the units you specify with the units input Decoding type specifies how to count and interpret the pulses the encoder generates on signal A and signal B X1 X2 and X4 are v
61. tion the next chapter examines in depth the settings you are provided with in order to enable or disable the evaluation of certain triggers ARMED TRIGGERS IDaq evaluates at run time only armed triggers note that in facts by default every new trigger is automatically armed When an armed trigger switches iDaq can either re arm it or leave it disarmed according to the trigger setup so that you can create efficient triggers to use over and over or only one specific time Even when an existing chart is loaded from disk its triggers can be automatically armed at start up forcing to evaluate them from the very first acquired sample or similarly they can be disarmed at start up to allow you to check your settings system before every recording session Check the Setting triggers chapter of this manual for more information In order to guarantee the best manageability triggers can be named so that when a trigger switches iDaq can log this event into a og file and you can analyse which triggers have caused your recording session to start and stop If multiple triggers are defined to start stop a recording session iDaq can evaluate them in two different ways e Evaluate all triggers evaluates all triggers regardless of whether of them have already started or stopped a recording session e Evaluate until a switch occurs iDaq stops triggers evaluation when one of them switches on The last way consumes less CPU and i
62. tput Monitor for Dev2 x Logical name Dev2 port1 line0 Dev2 port1 line1 Dev2 port1 line2 Dev2 port1 line3 Dev2 port1 line4 Dev2 port1 lines Dev2 port1 line6 Dev2 port1 line7 Physical name Dev2 port1 lineO Dev2 port1 line1 Dev2 port1 line2 Dev2 port1 line3 Dev2 port1 line4 Dev2 port1 lines Dev2 port1 line6 Dev2 port1 line7 FIGURE 35 DIGITAL OUTPUT MONITOR If you have more than a device having Digital Output lines iDaq gives you the possibility of choosing which Device you want to monitor 37 CHARTS INTRODUCTION This chapter explains how to create a chart and how to set it in order to make it work in the best way depending on your needs Charts are important instruments that allow to display the progress of received signals in real time in this chapter you can learn to analyze charts record and use them successfully There are two types of charts you can create STRIP CHART The strip chart is the most used type of acquisition it allows to display acquired values of input signals in the time domain GETTING STARTED WITH A STRIP CHART In order to create a Strip chart click on Graphs gt Strip Chart from the drop down menu the main window The following image represent the New chart window New chart ES Name graph2 a 2 Data folder C iDaq recordedData graph2_20130523_183355 tdms Store data disk when recording 3 Save each recording session in a different file enumer
63. until you don t past it e Export data to file If you select it acquired data are saved in a file in the exportedData folder Before exporting you can define the data format you want for the data file you re creating The next figure represents the Data exporting window opened o General settings functionality Here you have to choose a data format for the file you re saving You can select from the drop down menu either CSV or XML format In the Precision field you can insert the number of decimal digits to record Data export General settings CSV Data format CSV Precision Esc Cancel FIGURE 55 DATA EXPORTING OPTIONS According to the format you choose you have several options to select For example if you press the CSV tab you can see several checle boxes O TOOLS for SMART MINDS 54 iDaq User Manual The following image represents CSV tab window and the settings it provides you with Data export General settings CSV Separator character Tab Add column headers Save note if available at the end Multiple time columns Export Esc Cancel FIGURE 56 SETTING CSV OPTIONS Separator character Select the character to separate data in your CSV document Add column headers Assign signals names as titles at the top of columns Multiple time columns Add the document the date in which data were recorded Export data to clipboard If you select it a copy of the acquired
64. ut lines e Physical name column it gives you the Digital input line name as indicated on the NI acquiring device e Value column it gives you information or Off about the digital line status Digital Input Monitor for Dev2 Logical Dev2 portO line0 Dev2 portO line1 Dev2 portO line2 Dev2 portO line3 Dev2 portO line4 Dev2 portO line5 Dev2 portO line6 Dev2 portO line7 TOOLS for SMART MINDS 36 Physical name Dev2 port0 line0 Dev2 portolline1 Dev2 portO line2 Dev2 portO0 line3 Dev2 portO line4 Dev2 port0 line5 Dev2 portO line6 Dev2 port0 line7 FiGURE 34 DIGITAL INPUT MONITOR iDaq User Manual DIGITAL OUTPUTS MONITOR WINDOW Together with Digital inputs editor iDaq gives you a Digital Output lines monitoring window click Digital 1 0 gt Digital output in the main window menu to open it The table you find out is a list of all the digital output lines that iDaq gets by the connected device according to that the window title provides you with the device name the table is referred to This table provides you with three columns e Logical name column it gives you the name of the Digital output lines e Physical name column it gives you the Digital output line name as indicated on the NI acquiring device e Value column it gives you information On or Off about the digital line status You can easily change the Digital Output line value by double clicking on it Digital Ou
65. ves outside range Signal moves inside range FiGURE 48 ANALOG VALUE IN OUT OF RANGE TRIGGER Signal range is defined by lower and upper bound The following figure illustrates the trigger editor window Analog Value In Out of Range Trigger Editor ES Description Armed Auto Arm V Switch Rule Switch when signal moves outside 5 channel temperatura Volt Lower bound Digital output Upper bound Return OK Esc Cancel FIGURE 49 ANALOG VALUE IN OUT RANGE START TRIGGER SETTING WINDOW This trigger is described by the following fields Description indicates the trigger name e Switch rule Here you can select if you want that the recording session starts when the signal is inside or outside of a certain range e Channel selects the analog input channel used to evaluate the trigger e Lower bound defines the lower bound of the range e Upper bound defines the upper bound of the range Armed checkbox It is possible to arm disarm the trigger according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is armed automatically e Auto arm checkbox It is possible to enable disable the auto arm functionality according to whether you check uncheck this checkbox By default this field is checked and therefore the trigger is always re armed automatically SELECTED TIME S TOOLS for SMART MINDS 48 iDaq User Manual This trigger switches when com
66. x Computes the cosine of x where x is in radians cosh x Computes the hyperbolic cosine of x cot x Computes the cotangent of x 1 tan x where x is in radians csc x Computes the cosecant of x 1 sin x where x is in radians exp x Computes the value of e raised to the x power expm1 x Computes one less than the value of e raised to the x power e x 1 floor x Truncates x to the next lower integer largest integer x getexp x Returns the exponent of x getman x Returns the mantissa of x int x Rounds x to the nearest integer intrz x Rounds x to the nearest integer between x and zero In x Computes the natural logarithm of x to the base of e 1 Computes the natural logarithm of x 1 log x Computes the logarithm of x to the base of 10 log2 x Computes the logarithm of x to the base of 2 rand Produces a floating point number between 0 and 1 exclusively sec x Computes the secant of x where x is in radians 1 cos x Returns 1 if x is greater than 0 returns O if x is equal to 0 and returns 1 d if x is less than 0 sin x Computes the sine of x where x is in radians sinc x Computes the sine of x divided by x sin x x where x is in radians sinh x Computes the hyperbolic sine of x sqrt x Computes the square root of x tan x Computes the tangent of x where x is in radians tanh x Computes the hyperbo

iDaq User Manual - Tools for Smart Minds

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